CT HEAD OR BRAIN W/O CONTRAST Altered Mental Status I was not cognizant for three weeks. There is scattered subarachnoid hemorrhage of the sulci both cerebral? hemispheres The space consists the region twixt two layers encasing brain. This area carries cerebrospinal fluid. Sulci are various folds The results a subarachnoid can produce vasospasms constriction an artery that can cause stroke or permanent brain damage. significant amount blood products throughout ventricles primarily centered in third and fourth ventricles. Blood within ventricles obstruct normal flow CSF cerebrospinal fluid Prominence right temporal horn suggests impending acute hydrocephalus.  Hydrocephalus condition where builds up brain’s causing increased pressure. “Impending hydrocephalus” means there early signs this dangerous buildup may soon occur.